Global Patent Index - EP 0743849 B1

EP 0743849 B1 20001108 - USE OF 1,2,3,4-TETRAHYDROQUINOXALINES AS OXIDATION DYE PRECURSORS IN OXIDATION DYES

Title (en)

USE OF 1,2,3,4-TETRAHYDROQUINOXALINES AS OXIDATION DYE PRECURSORS IN OXIDATION DYES

Title (de)

VERWENDUNG VON 1,2,3,4-TETRAHYDROCHINOXALINEN ALS OXIDATIONSFARBSTOFFVORPRODUKTE IN OXIDATIONSFÄRBEMITTELN

Title (fr)

UTILISATION DE 1,2,3,4-TETRAHYDROQUINOXALINES COMME PRECURSEURS DE COLORANTS PAR OXYDATION DANS DES TEINTURES PAR OXYDATION

Publication

EP 0743849 B1 20001108 (DE)

Application

EP 95908263 A 19950204

Priority

  • DE 4404564 A 19940212
  • EP 9500404 W 19950204

Abstract (en)

[origin: US5752984A] PCT No. PCT/EP95/00404 Sec. 371 Date Aug. 12, 1996 Sec. 102(e) Date Aug. 12, 1996 PCT Filed Feb. 4, 1995 PCT Pub. No. WO95/21604 PCT Pub. Date Aug. 17, 1995An oxidative coloring composition for coloring human hair cointaining an oxidation dye precursor in a water-containing carrier, wherein the dye precursor comprises 1,2,3,4-tetrahydroquinoxalines corresponding to formula (I): <IMAGE> (I) in which R1, R2 and R3 independently of one another represent hydrogen, C1-4 alkyl groups, benzyl groups, 2-phenylethyl groups or C2-4 hydroxyalkyl groups and X, Y and Z represent hydrogen, fluorine, chlorine, bromine or iodine atoms or C1-4 alkyl groups, and wherein at least one of the groups X, Y and Z is hydrogen.\!

IPC 1-7

A61K 7/13

IPC 8 full level

A61K 8/49 (2006.01); A61Q 5/10 (2006.01); C07D 241/42 (2006.01); D06P 1/32 (2006.01); D06P 3/08 (2006.01); D06P 3/14 (2006.01); D06P 3/30 (2006.01)

CPC (source: EP US)

A61K 8/494 (2013.01 - EP US); A61Q 5/10 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB GR IE IT LI NL SE

DOCDB simple family (publication)

US 5752984 A 19980519; AT E197393 T1 20001111; DE 4404564 A1 19950817; DE 59508844 D1 20001214; DK 0743849 T3 20010122; EP 0743849 A1 19961127; EP 0743849 B1 20001108; ES 2152387 T3 20010201; GR 3034799 T3 20010228; WO 9521604 A1 19950817

DOCDB simple family (application)

US 69307896 A 19960812; AT 95908263 T 19950204; DE 4404564 A 19940212; DE 59508844 T 19950204; DK 95908263 T 19950204; EP 9500404 W 19950204; EP 95908263 A 19950204; ES 95908263 T 19950204; GR 20000402477 T 20001109